September 2021 0 10 Report
60 баллов Приведено термохимическое уравнение реакции:
CH4+2O2=CO2+2H2O+892 кДж
Вычислите:
а) массу сгоревшего метана и б) объем (н.у.) полученного оксида углерода (3 валентен), если при этом выделилось 446 кДж теплоты.
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